201021210202022 has 16 divisors (see below), whose sum is σ = 344658608692512. Its totient is φ = 86139242285760.

The previous prime is 201021210201983. The next prime is 201021210202027. The reversal of 201021210202022 is 220202012120102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021210202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058646983 + ... + 1058836850.

It is an arithmetic number, because the mean of its divisors is an integer number (21541163043282).

Almost surely, 2^{201021210202022} is an apocalyptic number.

201021210202022 is a deficient number, since it is larger than the sum of its proper divisors (143637398490490).

201021210202022 is a wasteful number, since it uses less digits than its factorization.

201021210202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117490623.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201021210202022 its reverse (220202012120102), we get a palindrome (421223222322124).

The spelling of 201021210202022 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, two hundred two thousand, twenty-two".